Finding the Fourth Proportional to 80,206.08, 110,692.72 and 46,215.92
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Solution
The fourth proportional to 80,206.08, 110,692.72 and 46,215.92 is: 63,782.77
Step by Step Solution
- Step 1: Write the proportion equation
80,206.08 : 110,692.72 = 46,215.92 : x - Step 2: Convert to fraction form
80,206.08/110,692.72 = 46,215.92/x - Step 3: Cross multiply
80,206.08x = 110,692.72 × 46,215.92 - Step 4: Simplify right side
80,206.08x = 5,115,765,892.10 - Step 5: Solve for x
x = 5,115,765,892.10/80,206.08 - Step 6: Final answer
x = 63,782.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.